Our products are based on state-of-the-art digital technologies, nonstandard engineering solutions, and a certain selection of components. JSC "Selcom Security" is able to provide portable counter surveillance equipment that has been specifically developed to counter a particular type of threat, giving the highest levels of detection and protection from any unauthorised surveillance. Distinctive features of the products are: small size, simplicity in application, superior performance and utility. Our NATO Commercial And Government Entity (NCAGE) code is 010KR.

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From 5th to 7th of June 2019, JSC Selcom Security organized a training seminar in Klaipeda, Lithuania. Seminar name: “Theoretical acquaintance with latest developments. The development of practical skills- detection of real data leakage channels using new devices ST-301 SPIDE, ST-500 PIRANHA, ST-600”. We would like to thank all the...

Seminar name: "Theoretical acquaintance with latest developments. The development of practical skills- detection of real data leakage channels".Dates of the seminar 2019:June 4th - Arrival to Klaipeda city (Lithuania).June 5th - 1st day of the seminar.June 6th - 2nd day of the seminar.June 7th - 3d day of the seminar.In...

Selcom Security Group actively supports Klaipeda wrestling team, that has real chances to participate in XXXII Olympic Summer Games in 2020, Tokyo, Japan. This week one more candidate Martynas Nemsevicius achieved 3d place at the European Championship, therefore proving his chances of getting in to the Olympic team and participating...

Selcom Security has introduced its‘ line of products at the private Exhibition in Jakarta, Indonesia. During the event
Our team presented various equipment such as ST-031M“Piranha“, ST-402“CAYMAN“ and ST-300“SPIDER“ and many more.
Link to the Photo report, below: https://www.selcomsecurity.com/en/parodos/item/687-exhibition-in-indonesia-2018

Selcom Security Group was invited to conduct a seminar in Rome Italy for Italian Carabinieri. During the seminar our team has presented new methods of detection of different data leakage channels and their practical detection demonstration.

Selcom Security Group presented its’ line of products in Abu-Dhabi for the first time. During our presentation we introduced listeners to our newest developments as well as new data leakage channels and techniques of their detection. The bright and sunny day was interrupted by a mild sand storm.

Seminar name: "Theoretical acquaintance with latest developments. The development of practical skills- detection of real data leakage channels".Dates of the seminar 2019:June 4th - Arrival to Klaipeda city (Lithuania).June 5th - 1st day of the seminar.June 6th - 2nd day of the seminar.June 7th - 3d day of the seminar.In...

Up today for Your review we would like to recommend new publications.
Please see the links below:
ST-031M”Piranha” Capabilities part 1 https://www.selcomsecurity.com/en/our-publications/item/651-test-of-capabilities-of-st-031m-piranha-part-1
ST-031M”Piranha” Capabilities part 2 https://www.selcomsecurity.com/en/our-publications/item/663-test-of-capabilities-of-st-031m-piranha-part-2
Non linear junction detector (NLJD) how can it be useful ?
And many more, in our Publications section.

Presenting our official YouTube channel, where You will have the opportunity to review all our presentational videos, seminars and many more about our line of products and their capabilities.
Link below:
https://www.youtube.com/channel/UCXc3UfNpWjQ8U4bmXJGrNdQ?view_as=subscriber

Presenting our official YouTube channel, where You will have the
opportunity to review all our presentational videos, seminars and
many more about our line of products and their capabilities.
Link below:
https://www.youtube.com/channel/UCXc3UfNpWjQ8U4bmXJGrNdQ?view_as=subscriber

Selcom Security would like to inform you in advance that this year our Annual Training Seminar will be held on 2019 June 5th, 6th, 7th. In this seminar we will present and work with following new devices series ST:
• ST-301
• ST-500
• ST-600
Preliminary plan of the training seminar:
June 5th...

Selcom Security JSC would like to present You - a newly released Hidden Camera Detector S-200 "Arcane". This device is a modernized version of previous hidden camera detector SEL SP-102 "Arcam".
New! S-200 "Arcane" set includes hidden camera lense detector.
More information about this device you can find by pressing here.

JSC Selcom Security successfully attended International Security Exhibition Security Essen 2018, which was held on 25th-28th of September 2018. We would like to say Thank You to our stand visitors, who showed interest in our line of TSCM equipment. We hope for a successful future cooperation !
Moments from exhibition here.

On 23-26 of April, 2018 JSC Selcom Security successfully attended International Security Exhibition Securex 2018. We would like to say Thank You to exhibition organisers and to our stand visitors, who brought many creative interactions and ideas. We hope for a successful future cooperation !

Selcom Security JSC would like to invite all our Colleagues and Partners to visit our stand at the International Security Exhibition SECUREX 2018 in Poznan, Poland on 23d-26th of April, 2018. There we will presented the latest TSCM equipment from our range of products. Our location: Hall No 7, stand...

"Selcom Security" JSC is continuing registration to our traditional annual Training Seminar. The seminar will be held on 22nd-24th of May 2018. Please click to download updated seminar plan, directions to Klaipeda city and participant registration form. We are looking forward to receive your registration forms! *The number of...

Seminar name: Presentation of latest developments and methods of modern eavesdropping device detection, using devices from series "Cayman", "Spider" and "Piranha".
Dates of the seminar:
-May 21st - Arrival to Klaipeda city (Lithuania).
-May 22d - 1st day of the seminar.
-May 23d - 2nd day of the seminar.
-May 24th - 3d day of...

Selcom Security JSC announces a special offer for NLJD series CAYMAN. When purchasing Non-linear junction detector ST-402 CAYMAN or ST-403 CAYMAN, we will provide You a Digital Stereo Voice Recorder Colibri-SD as a valued gift.
*Special offer is valid only for limited quantity and valid until the February 28th, 2018.
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Frequently Asked Questions

Question: I am very interested in what is your best product for finding hidden cameras ? What can you recommend and why ?

Answer: A huge variety of devices for conducting covert surveillance, presented on the market today, and their availability led to the fact that they were used everywhere. Today, video cameras have compact size, their performance is constantly improving. In addition, there were wireless models with remote control, which allows you to install them in electrical appliances, home appliances, furniture and even clothing. For this reason, the hidden camera detector is necessary not only for business owners and security personnel, but also for ordinary people.

Varieties of detectors Currently, you can buy detectors of bugs and hidden cameras that perform searches in various ways.

Optical finderThe work of optical detectors is carried out on the principle of re-reflection. The device operates according to the following algorithm. Like other optical technology, hidden cameras are equipped with a light-sensitive element. When hit by it, the laser beams are reflected from the element and at this time it catches the detector hidden cameras. But the device registers the glare of all objects in sight of the detector. Built-in filters provide information selection.

Electromagnetic detectorThis device for detection of hidden video surveillance scans the electromagnetic field inside the room and compares the found electrical frequencies with those that are recorded in the database of frequencies of cameras. Today, most of the cameras work on the basis of the matrix, which is an integrated chip with photosensitive photodiodes in the composition. With its help, an electric charge is generated, which falls on the processor, where the signal is formed. The processor is equipped with an oscillator designed to emit electromagnetic waves at a given frequency. On them the device and finds hidden bugs and cameras.

Up today, the most common types of video cameras are listed below:- Wireline- Cameras with radio channel for data transmission- having built-in memory

Depending on the operational situation, you can use either an Optical video camera detector or an electromagnetic hidden video camera detector.For detection of cameras that has radio channel for data transmission, HF detector ST-500 ”Piranha” is used.

Question: Does any of your products have any Export restrictions?

Answer: Products that we sell don‘t have any export restrictions! Our products are not designed to be used in any segment of military purposes; our equipment is designed for data leakage channel detection. Furthermore, our company business conception is focused only on countersurveillance and information protection.In overall, JSC Selcom Security is operating for a long time and cooperating with many countries from all over the world, and we didn’t face any issues or had any claims from customs.

Answer: The detection distance, depends on the output power the transmitter. Which can vary from single mW up to hundreds of mW. The actual detection range of radio microphones is defined by the output power of the transmitter of the radio microphone and intensity of the EM field against interferences in places of reception.

Question: I am interested, how does the CHANNEL 2 of the device ST-031M "Piranha" work? Where can i receive a qualified answer?

Answer: Please read the publication "Testing the capabilities of ST-031M Piranha part2 " or send us an e-mail to This email address is being protected from spambots. You need JavaScript enabled to view it.

Question: What is the sphere of use of a radio noise generator Shtora-4 ?

Answer: The best defense against low power eavesdropping devices transmitting information through radio and blocking Remote control activation as well as TEMPEST is a Generator of radio noise Shtora-4. The operation principle of the device is based on creating a powerful radio interference from 0,01MHZ to 2500 MHz. On the picture You can see how it looks:

Channel of data leakage radio channel Protected radio channel

Question: When making the special negotiations room, we encountered a problem of placement of transducers on walls. How to properly place them?

Answer: Installing of vibro transducers: All vibro transducers must be installed on the proper mounts provided by the vendor. It must be taken in to consideration that before conducting such operation, the client must inform how many mounts and what kind, he needs.

For walls- special nailsFor windows- discsFor heater- special holderConstructively every channel has 2 parallel connections. That create a single channel load.One channel can hold out up to 32 vibro transducers.

Question: Can I use the acoustic emitter of SEL SP-157 for protection of false ceilings.

Answer: Yes, the SEL SP-157AS can be used for protection of false ceilings , air shafts and ventilation systems.

Question: When we place and hold our finger on the device RECARDER the contact group, the LED indicator will flash, but sometimes not. How to fix this problem?

Answer: If no LED indicators turn on, it can mean this:

1) LED indication is disabled in Recorder settings menu.

2) If the VAS is enabled, chosen acoustic level is not enough to start the recording.

3) The device is out-of-service or its battery is fully discharged.

4) Timer recording mode is activated.

Question: Is there a way to check if the professional audio recorder RECARDER is on or off?

Answer: To check current operation mode of the device, press and hold a finger on the contact group. If the LED flashes in intervals then the device is recording. If the LED is on constantly and not flashing then the device is ready to start working.

Answer: NLJD "NR-900 EMS" is an impulse emission type NLJD, with the output power not less than 150 Wt, detector "Katran-Lux" is a continuous emission type NLJD, With the output not less than 1,5Wt. "ST-400 “Cayman“ on the other hand is a principally new NLJD, that emits several frequencies at the same time , 2-3GHz frequency range and the output power of such device is only 2Wt. Impulse type NLJD has a high piercing ability, are less comfortable for detection of corrosional diodes. Impulse NLJD are most effective in empty premises, continuous NLJDs can be used due to its output power corrections can be used near electronic appliances. NLJD "Кatran-Lux" has automatic setup function (in its‘ working diapason) to the frequency,on the second harmonica which has minimum interferences., which is very important when working in cities with developed systems of cell phone networks of diapasons 900/1800 MHz.

Question: What is better for protection the power mains: noise generators or network filters ?

Answer: Network interference suppressing filters e.g., FSP-1F-7A provides lowering the levels in working diapason from 0,1 – 1000 MHz not less than for 60 Db and protects not only from information but also protects means of office equipment from outside interferences. But for effective work it is necessary to have a grounding system (but not zeroing), where their absence significantly lowers the effectiveness. So in most situations it is more reasonable to use noise generators, for example: SEL SP-44, which does not need grounding and enabling suppression of non-sanctioned information gathering devices.

Question: Hello, please share, what does the categories mean (different from each other) of the marked premises when testing objects of informatisation.

Answer: Marked Premises (MP) – are premises (offices, concert halls, conference rooms and so on.), specially designed for holding closed events (office meetings, discussions, conferences, and negotiations and so on.) regarding questions , that are classified as government secrets, also premises that are equipped with government links or other types of special equipment. The category of marked premises is set according to the secrecy and exploitation for these premises. The premises of the First category- are premises, especially designed for holding meetings with high priority priority or secrecy, also companies, firms, and facilities where such questions can be negotiated.The premises of the second category- are premises, especially designed for holding meetings of high priority and at which top Secret information is being shared.also cabinets of institution governing offices,and its‘ main subsections in which such questions can be discussed and Secret information can be shared. The premises of the third category- are special premises and Office rooms of the subsections of the facility , in which negotiations and discussions where Secret information is being shared , are being held. Also conference rooms which hold mass meetings and which sometimes hold closed event.

Question: Please help,in my car SEL SP-71R "Raksa" gives out Analog 30-40-50 and more db. Can a tracking device, radio microphone or a bug be concealed in a car?

Answer: Such a situation is possible when there is a wireless video camera (e.g. back-view camera). Mainly, it is necessary to switch the search indicator to SEARCH MODE and move it inside and outside of the car, to find the place, where the level of signal be at maximum. The possible source of the signal can be any radio transmitting device, as well as, so called "Bug".

Question: Hello i have a technical question regarding SEL SP-71R "Raksa" – what is the scanning length of Wi-Fi Bluetooth and 2400MHz protocols, and what is displayed if we scan Wi-Fi frequency or 2400 MHz.

Answer: The detection range depends from reception conditions and type of device – wi-fi and Bluetooth, depending from class, work with different output power. Typical range for Bluetooth 1-3m. For Wi-Fi – 2-10 m. If the Exchange protocol is identified, then on the SEL SP-71R "Raksa" display usually this type is shown (wi-fi or Bluetooth). If not identified then only diapason is shown as 2.4 GHz

Question: Please tell, how to find a Digital „bug" in a car using SEL SP-71R "Raksa". When measuring levels we often see fluctuations, that is, in the same place ever 3-4 seconds at completely different levels. Detection places are the same- 3 spots. Should we draw a map and according to it we should calculate ,on the basis of the parabplic emission?

Answer: First, make sure that the sourse of radioemission is in the car, and not outside of it(the signals of stationary sourses such as Wi-Fi hotspots, radio modems, base stations of mobile networks and others). The corret thing to do, is to conduct investigation at a different location of the car, better to furthen from such stationary origins.For exhample outside town. If the same signals in the same place are present, then possibly there is a bug. That means the in the described situation there could be a presence of a bug- it can give out different levels. The can applied to the outside signal from outside the car.

Question: Our company successfully used ST-031M "Piranha" for 2 year . As a result of wrong operators activity, audio input was broken. Can we repair the device by our self ?

Answer: Yes, it is possible to repair this kind of malfunction locally. Please see a video prepared for you, which describes the process of repair of this kind of malfunction. Video here.

Question: Our company successfully used Lornet-0836 for 3 year . As a result of physical damage to the unit broke. Can this device be fixed? Photo here.

Answer: Yes, Selcom Security JSC is also a technical center which provides post-warranty technical services, and in some cases, we carry out repair of the equipment, which was purchased in other companies. Please send your device over for defectation, repair, readjustment.

Question: When we select the "Wireless Comm" screen on our ST-031M, we don't see anything...We want to re-install the firmware.. But we haven't got it...Can you send us the file for the 1.3 firmware?

Answer: Recently we have updated our SOFTWARE section. You can find all the necessary software there

Answer: ST-400 ”CAYMAN” is designed for detection and identification of devices of unsanctioned information leakage hidden in walls, furniture, etc., also, due to its’ low output power (2W) , it can be used to check people.